 //****************************************************
 // Num.java      Author:20172323wyh
 //
 // Represents a single integer as an object.
 //****************************************************
 
 public class Num
 {
    private int value;

    //-------------------------------------------------
    // Sets up the new Num objects, storing an initial 
    // value.
    //-------------------------------------------------
    public Num(int update)
    {
       value = update;
    }

    //-------------------------------------------------
    // Sets up the stored value to the newly specified 
    // value.
    //-------------------------------------------------
    public void setValue(int update)
    {
       value = update;
    }
   
    //-------------------------------------------------
    // Returns the stored integer value as a string.
    //-------------------------------------------------
    public String toString()
    {
       return value + "";
    }
 }
